Son of John. Studied at the schola cantorum, and was early known as a Bible scholar; noted singer, too. Priest, known for his care for the poor. Pope; the delay in his ascension was caused by waiting for imperial confirmation.

Obtained the decree that abolished imperial confirmation of popes. Adopted Constantine’s two sons. Fought Monothelitism, and worked with Spanish bishops to restore orthodoxy in their dioceses. Restored many churches in Rome, and endowed deaconries to care for the poor.